<template>
  <!-- 基础的 24 分栏. gutter	栅格间隔 -->
  <el-row :gutter="20">
    
    <!-- 
      父子组件传递数据
      父组件是指当前组件
      <Category> 是子组件
      
        子组件给父组件传递数据: 使用事件机制,子组件给父组件发送事件


    -->

    <el-col :span="6">
      <div class="grid-content bg-purple">
        <Category @tree-node-click="treeNodeClick"></Category>
      </div>
    </el-col>

    <el-col :span="14">
      <div class="grid-content bg-purple">
        <div class="mod-config">
          <el-form :inline="true" :model="dataForm" @keyup.enter.native="getDataList()">
            <el-form-item>
              <el-input v-model="dataForm.key" placeholder="参数名" clearable></el-input>
            </el-form-item>
            <el-form-item>
              <el-button @click="getDataList()" type="primary" icon="el-icon-search">查询</el-button>
              <el-button v-if="isAuth('product:attrgroup:save')" type="success"  icon="el-icon-plus"
                @click="addOrUpdateHandle()">新增</el-button>

              <el-button type="info"  icon="el-icon-refresh" @click="resetList()" plain>重置</el-button>

              <el-button v-if="isAuth('product:attrgroup:delete')" type="danger" @click="deleteHandle()"
                :disabled="dataListSelections.length <= 0">批量删除</el-button>
              
            </el-form-item>
          </el-form>
          <el-table :data="dataList" border v-loading="dataListLoading" @selection-change="selectionChangeHandle"
            style="width: 100%;">
            <el-table-column type="selection" header-align="center" align="center" width="50">
            </el-table-column>
            <el-table-column prop="attrGroupId" header-align="center" align="center" label="分组id">
            </el-table-column>
            <el-table-column prop="attrGroupName" header-align="center" align="center" label="组名">
            </el-table-column>
            <el-table-column prop="catelogName" header-align="center" align="center" label="分类名称">
            </el-table-column>
            <el-table-column prop="sort" header-align="center" align="center" label="排序">
            </el-table-column>
            <el-table-column prop="descript" header-align="center" align="center" label="描述">
            </el-table-column>
            <el-table-column prop="icon" header-align="center" align="center" label="组图标">
            </el-table-column>
            <el-table-column fixed="right" header-align="center" align="center" width="150" label="操作">
              <template slot-scope="scope">
                <el-button type="text" size="small" @click="relationHandle(scope.row.attrGroupId)">关联</el-button>
                <el-button type="text" size="small" @click="addOrUpdateHandle(scope.row.attrGroupId)">修改</el-button>
                <el-button type="text" size="small" @click="deleteHandle(scope.row.attrGroupId)">删除</el-button>
              </template>
            </el-table-column>
          </el-table>
          <el-pagination @size-change="sizeChangeHandle" @current-change="currentChangeHandle" :current-page="pageIndex"
            :page-sizes="[10, 20, 50, 100]" :page-size="pageSize" :total="totalPage"
            layout="total, sizes, prev, pager, next, jumper">
          </el-pagination>
          <!-- 弹窗, 新增 / 修改 -->
          <add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="getDataList"></add-or-update>

          <RelationUpdate v-if="relationVisible" ref="relationUpdate"></RelationUpdate>
          
        </div>

      </div>
    </el-col>
  </el-row>
</template>

<script>

import Category from '../common/category-module'     //导入组件后,新命名组件名
import AddOrUpdate from './attrgroup-add-or-update'
import RelationUpdate from "./attr-group-relation";

export default {
  data() {
    return {
      dataForm: {
        key: '',
        catelogId : ''
      },
      dataList: [],
      pageIndex: 1,
      pageSize: 10,
      totalPage: 0,
      dataListLoading: false,
      dataListSelections: [],
      addOrUpdateVisible: false,
      relationVisible: false
    };
  },
  components: {
    Category, AddOrUpdate,RelationUpdate
  },
  activated() {
    this.getDataList()
  },
  methods: {
    // 获取数据列表
    getDataList() {
      this.dataListLoading = true
      this.$http({
        url: this.$http.adornUrl('/product/attrgroup/listPage'),
        method: 'get',
        params: this.$http.adornParams({
          'page': this.pageIndex,
          'limit': this.pageSize,
          'key': this.dataForm.key,
          'catelogId': this.dataForm.catelogId
        })
      }).then(({ data }) => {
        if (data && data.code === 0) {
          this.dataList = data.page.list
          this.totalPage = data.page.totalCount
        } else {
          this.dataList = []
          this.totalPage = 0
        }
        this.dataListLoading = false
      })
    },
    //感知树节点被点击
    treeNodeClick(data,node){
      //console.log("树节点被点击:",data , node);
      
      //只处理3级分类的
      if(node.level != 3){
        return;
      }

      this.dataForm.catelogId = data.catId;
      this.getDataList();
    },
    // 每页数
    sizeChangeHandle(val) {
      this.pageSize = val
      this.pageIndex = 1
      this.getDataList()
    },
    // 当前页
    currentChangeHandle(val) {
      this.pageIndex = val
      this.getDataList()
    },
    // 多选
    selectionChangeHandle(val) {
      this.dataListSelections = val
    },
    // 重置
    resetList() {
      this.dataForm = this.$options.data().dataForm;
      this.getDataList();
    },
    // 新增 / 修改
    addOrUpdateHandle(id) {
      this.addOrUpdateVisible = true
      //this.$nextTick 组件完全渲染后再调用方法
      //this 当前vue组件 , $refs 表示组件下所有组件 , refs下addOrUpdate组件 , init()是组件中的方法 
      this.$nextTick(() => {
        this.$refs.addOrUpdate.init(id)
      })
    },
    //关联属性
    relationHandle(id){
      this.relationVisible = true;
      this.$nextTick(() => {
        this.$refs.relationUpdate.init(id)
      })
    },
    // 删除
    deleteHandle(id) {
      var ids = id ? [id] : this.dataListSelections.map(item => {
        return item.attrGroupId
      })
      this.$confirm(`确定对[id=${ids.join(',')}]进行[${id ? '删除' : '批量删除'}]操作?`, '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.$http({
          url: this.$http.adornUrl('/product/attrgroup/delete'),
          method: 'post',
          data: this.$http.adornData(ids, false)
        }).then(({ data }) => {
          if (data && data.code === 0) {
            this.$message({
              message: '操作成功',
              type: 'success',
              duration: 1500,
              onClose: () => {
                this.getDataList()
              }
            })
          } else {
            this.$message.error(data.msg)
          }
        })
      })
    }
  },
  //生命周期函数 在实例创建完成后被立即同步调用。 
  created() {

  }
}
</script>

<style></style>